tag: surface
138 images found for tag: “surface”
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Paved trail ends: Credit Island Park, Davenport, Iowa
Paved trail ends: Credit Island Park, Davenport, Iowa
Paved trail ends: Credit Island Park, Davenport, Iowa
Informal trail tread along Schuylkill River Trail, Philadelphia, PA
Informal trail tread along Schuylkill River Trail, Philadelphia, PA
Informal trail tread along Schuylkill River Trail, Philadelphia, PA
Concrete sill does not solve the problem of keeping trail material up to bridge grade; Buena Vista, Colorado
Concrete sill does not solve the problem of keeping trail material up to bridge grade; Buena Vista, Colorado
Concrete sill does not solve the problem of keeping trail material up to bridge grade; Buena Vista, Colorado
Retaining timber is higher than the bridge deck, keeping the trail surfacing material even with the bridge; Rocky Mountain Arsenal National Wildlife Refuge, Colorado
Retaining timber is higher than the bridge deck, keeping the trail surfacing material even with the bridge; Rocky Mountain Arsenal National Wildlife Refuge, Colorado
Retaining timber is higher than the bridge deck, keeping the trail surfacing material even with the bridge; Rocky Mountain Arsenal National Wildlife Refuge, Colorado
Equestrians have made their own informal path along Van Bibber Creek Trail; Jefferson County Open Space, Colorado
Equestrians have made their own informal path along Van Bibber Creek Trail; Jefferson County Open Space, Colorado
Equestrians have made their own informal path along Van Bibber Creek Trail; Jefferson County Open Space, Colorado
Non-skid metal surface on boardwalk anchors wood chip trails; Arboretum Waterfront Trail in Seattle, Washington
Non-skid metal surface on boardwalk anchors wood chip trails; Arboretum Waterfront Trail in Seattle, Washington
Non-skid metal surface on boardwalk anchors wood chip trails; Arboretum Waterfront Trail in Seattle, Washington
Thompson Trail Project, Anacortes, Washington, looking west; showing original rock fill for railroad grade across shallow bay
Thompson Trail Project, Anacortes, Washington, looking west; showing original rock fill for railroad grade across shallow bay
Thompson Trail Project, Anacortes, Washington, looking west; showing original rock fill for railroad grade across shallow bay
Rock retaining wall holds trail surfacing material at wood bridge approach on the Emerald Bay Trail at Lake Tahoe, California
Rock retaining wall holds trail surfacing material at wood bridge approach on the Emerald Bay Trail at Lake Tahoe, California
Rock retaining wall holds trail surfacing material at wood bridge approach on the Emerald Bay Trail at Lake Tahoe, California
An otherwise accessible trail is compromised by steps at transition from one bridge section to another; Arboretum Waterfront Trail, Seattle, Washington
An otherwise accessible trail is compromised by steps at transition from one bridge section to another; Arboretum Waterfront Trail, Seattle, Washington
An otherwise accessible trail is compromised by steps at transition from one bridge section to another; Arboretum Waterfront Trail, Seattle, Washington
Top quality crusher fines trail along the Highline Canal in Cherry Hills Village, CO.
Top quality crusher fines trail along the Highline Canal in Cherry Hills Village, CO.
Top quality crusher fines trail along the Highline Canal in Cherry Hills Village, CO.
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Planked walk is laid directly on the asphalt surface adjacent to the paved bikeway; Downtown Lakewalk in Duluth, Minnesota
Planked walk is laid directly on the asphalt surface adjacent to the paved bikeway; Downtown Lakewalk in Duluth, Minnesota
Planked walk is laid directly on the asphalt surface adjacent to the paved bikeway; Downtown Lakewalk in Duluth, Minnesota
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Planks hold up crushed rock surface over seasonal wet area; Elk Meadow Park, Jefferson County Open Space, Colorado
Planks hold up crushed rock surface over seasonal wet area; Elk Meadow Park, Jefferson County Open Space, Colorado
Planks hold up crushed rock surface over seasonal wet area; Elk Meadow Park, Jefferson County Open Space, Colorado
Near the east end of Thompson Trail railroad trestle, looking east, near Anacortes, Washington
Near the east end of Thompson Trail railroad trestle, looking east, near Anacortes, Washington
Near the east end of Thompson Trail railroad trestle, looking east, near Anacortes, Washington
Planked walk in Bible Park; Denver, Colorado
Planked walk in Bible Park; Denver, Colorado
Planked walk in Bible Park; Denver, Colorado
Trail on fill along orignial railroad grade on Thompson Trail Project, a railtrail in Anacortes, Washington
Trail on fill along orignial railroad grade on Thompson Trail Project, a railtrail in Anacortes, Washington
Trail on fill along orignial railroad grade on Thompson Trail Project, a railtrail in Anacortes, Washington
Thermoplastic mile marker applied to the concrete trail surface at Willamette River Greenway; Eugene, Oregon
Thermoplastic mile marker applied to the concrete trail surface at Willamette River Greenway; Eugene, Oregon
Thermoplastic mile marker applied to the concrete trail surface at Willamette River Greenway; Eugene, Oregon
Crusher fines trail built up to form a bench; Lomaki Wupatki National Monument, Arizona
Crusher fines trail built up to form a bench; Lomaki Wupatki National Monument, Arizona
Crusher fines trail built up to form a bench; Lomaki Wupatki National Monument, Arizona
Floating bridge with multiple joints is a problem with no easy solution; Arboretum Waterfront Trail, Seattle, Washington
Floating bridge with multiple joints is a problem with no easy solution; Arboretum Waterfront Trail, Seattle, Washington
Floating bridge with multiple joints is a problem with no easy solution; Arboretum Waterfront Trail, Seattle, Washington
Separated bicycle and pedestrian routes, both paved, along West River Parkway, Minneapolis
Separated bicycle and pedestrian routes, both paved, along West River Parkway, Minneapolis
Separated bicycle and pedestrian routes, both paved, along West River Parkway, Minneapolis
Concrete trail under construction; access to the Truckee River in downtown Reno, Nevada
Concrete trail under construction; access to the Truckee River in downtown Reno, Nevada
Concrete trail under construction; access to the Truckee River in downtown Reno, Nevada
Greenbelt wetland boardwalk; Lakewood, Colorado
Greenbelt wetland boardwalk; Lakewood, Colorado
Greenbelt wetland boardwalk; Lakewood, Colorado
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Stop sign at highway crossing but also warning about rails left in pavement on Swamp Rabbit Trail, Greenville, South Carolina
Stop sign at highway crossing but also warning about rails left in pavement on Swamp Rabbit Trail, Greenville, South Carolina
Stop sign at highway crossing but also warning about rails left in pavement on Swamp Rabbit Trail, Greenville, South Carolina
Concrete retains trail material and forms a landing for the bridge approach in Bible Park; Denver, Colorado
Concrete retains trail material and forms a landing for the bridge approach in Bible Park; Denver, Colorado
Concrete retains trail material and forms a landing for the bridge approach in Bible Park; Denver, Colorado
Planked walk provides dry surface adjacent to the crushed rock trail along the harbor; Duluth, Minnesota
Planked walk provides dry surface adjacent to the crushed rock trail along the harbor; Duluth, Minnesota
Planked walk provides dry surface adjacent to the crushed rock trail along the harbor; Duluth, Minnesota
Sign directing both bikers and walkers along Highline Trail; Aurora, Colorado
Sign directing both bikers and walkers along Highline Trail; Aurora, Colorado
Sign directing both bikers and walkers along Highline Trail; Aurora, Colorado
Well-built crusher fines trail is separated from concrete; Cherry Creek Trail, Denver, Colorado
Well-built crusher fines trail is separated from concrete; Cherry Creek Trail, Denver, Colorado
Well-built crusher fines trail is separated from concrete; Cherry Creek Trail, Denver, Colorado
Irregular edge of trail painted to increase visibility; Sacramento River Trail, Redding, California
Irregular edge of trail painted to increase visibility; Sacramento River Trail, Redding, California
Irregular edge of trail painted to increase visibility; Sacramento River Trail, Redding, California
Non-skid metal surface on boardwalk keeps trail dry along water's edge; Marsh Island, Arboretum Waterfront Trail in Seattle, Washington
Non-skid metal surface on boardwalk keeps trail dry along water's edge; Marsh Island, Arboretum Waterfront Trail in Seattle, Washington
Non-skid metal surface on boardwalk keeps trail dry along water's edge; Marsh Island, Arboretum Waterfront Trail in Seattle, Washington
Separate treads for walkers and for bicyclists with small RR crossing signs; Minneapolis Cedar Lake Regional Trail
Separate treads for walkers and for bicyclists with small RR crossing signs; Minneapolis Cedar Lake Regional Trail
Separate treads for walkers and for bicyclists with small RR crossing signs; Minneapolis Cedar Lake Regional Trail
Crusher fines trail marked for pedestrians along Mary Carter Greenway by the Platte River, South Suburban Park District, Colorado
Crusher fines trail marked for pedestrians along Mary Carter Greenway by the Platte River, South Suburban Park District, Colorado
Crusher fines trail marked for pedestrians along Mary Carter Greenway by the Platte River, South Suburban Park District, Colorado
The fabric used under the crusher fines is exposed because of insufficient depth of material on Big Creek Nature Trail; Westminster, Colorado
The fabric used under the crusher fines is exposed because of insufficient depth of material on Big Creek Nature Trail; Westminster, Colorado
The fabric used under the crusher fines is exposed because of insufficient depth of material on Big Creek Nature Trail; Westminster, Colorado
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Crushed rock is used between the rails for the trail surface at the crossing; Poudre River Trail west of Fort Collins, Colorado
Crushed rock is used between the rails for the trail surface at the crossing; Poudre River Trail west of Fort Collins, Colorado
Crushed rock is used between the rails for the trail surface at the crossing; Poudre River Trail west of Fort Collins, Colorado
Crusher fines trail climbing gentle slope in Elk Meadow Park; Jefferson County, Colorado
Crusher fines trail climbing gentle slope in Elk Meadow Park; Jefferson County, Colorado
Crusher fines trail climbing gentle slope in Elk Meadow Park; Jefferson County, Colorado
Typical crusher fines surface showing very firm matrix with only a few loose larger rock particles
Typical crusher fines surface showing very firm matrix with only a few loose larger rock particles
Typical crusher fines surface showing very firm matrix with only a few loose larger rock particles
Typical crusher fines trail in a natural setting
Typical crusher fines trail in a natural setting
Typical crusher fines trail in a natural setting
Asphalt paving at rail crossing on concrete trail that provides access to Platte River Greenway; Commerce City, Colorado
Asphalt paving at rail crossing on concrete trail that provides access to Platte River Greenway; Commerce City, Colorado
Asphalt paving at rail crossing on concrete trail that provides access to Platte River Greenway; Commerce City, Colorado
Widened deck area for observation along Thompson Trail Project, a railtrail trestle in Anacortes, Washington
Widened deck area for observation along Thompson Trail Project, a railtrail trestle in Anacortes, Washington
Widened deck area for observation along Thompson Trail Project, a railtrail trestle in Anacortes, Washington
Adjoining treads, one hard surface and one soft, is the typical situation; Highline Canal Trail, Aurora, Colorado
Adjoining treads, one hard surface and one soft, is the typical situation; Highline Canal Trail, Aurora, Colorado
Adjoining treads, one hard surface and one soft, is the typical situation; Highline Canal Trail, Aurora, Colorado
Laminated beams support boardwalk in Bible Park; Denver, Colorado
Laminated beams support boardwalk in Bible Park; Denver, Colorado
Laminated beams support boardwalk in Bible Park; Denver, Colorado
Crusher fines trail built up to form a bench; Lomaki Wupatki National Monument, AZ
Crusher fines trail built up to form a bench; Lomaki Wupatki National Monument, AZ
Crusher fines trail built up to form a bench; Lomaki Wupatki National Monument, AZ
Sign informs visitors that the paved trail to the overlook turns into a narrow, natural surface trail; Arches National Monument, Utah
Sign informs visitors that the paved trail to the overlook turns into a narrow, natural surface trail; Arches National Monument, Utah
Sign informs visitors that the paved trail to the overlook turns into a narrow, natural surface trail; Arches National Monument, Utah
Planked walk is almost a bridge crossing a small wetland adjacent to Little Dry Creek Trail in Arvada, Colorado
Planked walk is almost a bridge crossing a small wetland adjacent to Little Dry Creek Trail in Arvada, Colorado
Planked walk is almost a bridge crossing a small wetland adjacent to Little Dry Creek Trail in Arvada, Colorado
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Horses, bikes, and walkers all use the crusher fines Highline Canal Trail near Denver, CO.
Horses, bikes, and walkers all use the crusher fines Highline Canal Trail near Denver, CO.
Horses, bikes, and walkers all use the crusher fines Highline Canal Trail near Denver, CO.
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Runners use the soft surface path along paved Schuylkill River Trail, Philadelphia, PA
Runners use the soft surface path along paved Schuylkill River Trail, Philadelphia, PA
Runners use the soft surface path along paved Schuylkill River Trail, Philadelphia, PA
Eisen Gross led restoration efforts on the trail in 2009 as an Eagle Scout project; Greenbelt Wetland Boardwalk in Lakewood, Colorado
Eisen Gross led restoration efforts on the trail in 2009 as an Eagle Scout project; Greenbelt Wetland Boardwalk in Lakewood, Colorado
Eisen Gross led restoration efforts on the trail in 2009 as an Eagle Scout project; Greenbelt Wetland Boardwalk in Lakewood, Colorado
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Highway railroad crossing signals also warn trail users; Minneapolis Cedar Lake Regional Trail
Highway railroad crossing signals also warn trail users; Minneapolis Cedar Lake Regional Trail
Highway railroad crossing signals also warn trail users; Minneapolis Cedar Lake Regional Trail
Crusher fines trail is separated from concrete Cherry Creek Trail, Denver, Colorado
Crusher fines trail is separated from concrete Cherry Creek Trail, Denver, Colorado
Crusher fines trail is separated from concrete Cherry Creek Trail, Denver, Colorado
Crusher fines will eventually dry smooth once snowmelt stops; Adams County, Colorado, park.
Crusher fines will eventually dry smooth once snowmelt stops; Adams County, Colorado, park.
Crusher fines will eventually dry smooth once snowmelt stops; Adams County, Colorado, park.
Steel plate fills the vertical gap between sections; Seattle, Washington
Steel plate fills the vertical gap between sections; Seattle, Washington
Steel plate fills the vertical gap between sections; Seattle, Washington
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Top quality crusher fines trail along the Highline Canal in Cherry Hills Village, Colorado
Top quality crusher fines trail along the Highline Canal in Cherry Hills Village, Colorado
Top quality crusher fines trail along the Highline Canal in Cherry Hills Village, Colorado
A fine grained, dark crusher rock is the surface for trail at Westerly Creek Dam, Denver.
A fine grained, dark crusher rock is the surface for trail at Westerly Creek Dam, Denver.
A fine grained, dark crusher rock is the surface for trail at Westerly Creek Dam, Denver.
The fabric used under the crusher fines is exposed because of insufficient depth of material; Big Dry Creek Nature Trail, Westminster, CO
The fabric used under the crusher fines is exposed because of insufficient depth of material; Big Dry Creek Nature Trail, Westminster, CO
The fabric used under the crusher fines is exposed because of insufficient depth of material; Big Dry Creek Nature Trail, Westminster, CO
ATVs have their own road base tread along Tri-County Recreation Corridor; Superior, Wisconsin
ATVs have their own road base tread along Tri-County Recreation Corridor; Superior, Wisconsin
ATVs have their own road base tread along Tri-County Recreation Corridor; Superior, Wisconsin
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Dayglo paint alerts trail users of drop-off; Sacramento River Trail, Redding, California
Dayglo paint alerts trail users of drop-off; Sacramento River Trail, Redding, California
Dayglo paint alerts trail users of drop-off; Sacramento River Trail, Redding, California
Short bridge with continuous concrete trail surface on the Big Dry Creek Trail in Westminster, Colorado
Short bridge with continuous concrete trail surface on the Big Dry Creek Trail in Westminster, Colorado
Short bridge with continuous concrete trail surface on the Big Dry Creek Trail in Westminster, Colorado
Crusher fines trail on top of the Westerly Creek Dam; Denver, Colorado
Crusher fines trail on top of the Westerly Creek Dam; Denver, Colorado
Crusher fines trail on top of the Westerly Creek Dam; Denver, Colorado
Trail climbs at a low angle up the face of Westerly Creek Dam; Denver, Colorado
Trail climbs at a low angle up the face of Westerly Creek Dam; Denver, Colorado
Trail climbs at a low angle up the face of Westerly Creek Dam; Denver, Colorado
Concrete trail meets grade of concrete bridge with expansion joint in San Diego's Balboa Park at the Park Boulevard Overpass.
Concrete trail meets grade of concrete bridge with expansion joint in San Diego's Balboa Park at the Park Boulevard Overpass.
Concrete trail meets grade of concrete bridge with expansion joint in San Diego's Balboa Park at the Park Boulevard Overpass.
On the Thompson Trail railroad trestle with oil refinery in the background, east of Anacortes, Washington
On the Thompson Trail railroad trestle with oil refinery in the background, east of Anacortes, Washington
On the Thompson Trail railroad trestle with oil refinery in the background, east of Anacortes, Washington
Sign where trail winds and crosses Shoal Creek; Austin, Texas
Sign where trail winds and crosses Shoal Creek; Austin, Texas
Sign where trail winds and crosses Shoal Creek; Austin, Texas
Single track crusher fines trail through grass along Little Dry Creek; Arvada, Colorado
Single track crusher fines trail through grass along Little Dry Creek; Arvada, Colorado
Single track crusher fines trail through grass along Little Dry Creek; Arvada, Colorado
Signs between the bicycle and pedestrian routes on separated bicycle and pedestrian routes, both paved, along West River Parkway, Minneapolis
Signs between the bicycle and pedestrian routes on separated bicycle and pedestrian routes, both paved, along West River Parkway, Minneapolis
Signs between the bicycle and pedestrian routes on separated bicycle and pedestrian routes, both paved, along West River Parkway, Minneapolis
Raised boardwalk trail is for pedestrians on Downtown Lakewalk, Duluth, Minnesota
Raised boardwalk trail is for pedestrians on Downtown Lakewalk, Duluth, Minnesota
Raised boardwalk trail is for pedestrians on Downtown Lakewalk, Duluth, Minnesota
Example of an asphalt patch at the concrete sill which the bridge abuts against; Little Dry Creek Trail, Arvada, Colorado
Example of an asphalt patch at the concrete sill which the bridge abuts against; Little Dry Creek Trail, Arvada, Colorado
Example of an asphalt patch at the concrete sill which the bridge abuts against; Little Dry Creek Trail, Arvada, Colorado
Crusher fines trail through mowed turf park at Westerly Creek Dam; Denver, Colorado
Crusher fines trail through mowed turf park at Westerly Creek Dam; Denver, Colorado
Crusher fines trail through mowed turf park at Westerly Creek Dam; Denver, Colorado
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Narrow crusher fines trails provide neighborhood access to open space along Little Dry Creek in Arvada, CO.
Narrow crusher fines trails provide neighborhood access to open space along Little Dry Creek in Arvada, CO.
Narrow crusher fines trails provide neighborhood access to open space along Little Dry Creek in Arvada, CO.
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Crushed rock that is larger and looser than ideal; Bluff Lake Nature Area, Denver.
Crushed rock that is larger and looser than ideal; Bluff Lake Nature Area, Denver.
Crushed rock that is larger and looser than ideal; Bluff Lake Nature Area, Denver.
The landscape fabric is exposed in this Philadelphia park due to runoff: the trail runs straight down the slope.
The landscape fabric is exposed in this Philadelphia park due to runoff: the trail runs straight down the slope.
The landscape fabric is exposed in this Philadelphia park due to runoff: the trail runs straight down the slope.
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
The landscape fabric is exposed due to runoff - the trail runs straight down the slope; Philadelphia, Pennsylvania
The landscape fabric is exposed due to runoff - the trail runs straight down the slope; Philadelphia, Pennsylvania
The landscape fabric is exposed due to runoff - the trail runs straight down the slope; Philadelphia, Pennsylvania
Thompson Trail Project, a railtrail in Anacortes, Washington, looking west
Thompson Trail Project, a railtrail in Anacortes, Washington, looking west
Thompson Trail Project, a railtrail in Anacortes, Washington, looking west
A better crusher fines trail in Bluff Lake Nature Area; Denver, Colorado
A better crusher fines trail in Bluff Lake Nature Area; Denver, Colorado
A better crusher fines trail in Bluff Lake Nature Area; Denver, Colorado
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Cedar View Trail bridge. The four tree forms repeat throughout the 380 foot bridge, helping to visually connect the bridge to its environment and to frame the views of the creek and woodlands; Fairfield, IA; Artist: Judy Bales
Cedar View Trail bridge. The four tree forms repeat throughout the 380 foot bridge, helping to visually connect the bridge to its environment and to frame the views of the creek and woodlands; Fairfield, IA; Artist: Judy Bales
Cedar View Trail bridge. The four tree forms repeat throughout the 380 foot bridge, helping to visually connect the bridge to its environment and to frame the views of the creek and woodlands; Fairfield, IA; Artist: Judy Bales
The minimum needed for a rail crossing: trail surface and signs; angled crossing is not optimum; Chattanooga, Tennessee
The minimum needed for a rail crossing: trail surface and signs; angled crossing is not optimum; Chattanooga, Tennessee
The minimum needed for a rail crossing: trail surface and signs; angled crossing is not optimum; Chattanooga, Tennessee
Cedar View Trail bridge. Completed pavers remind trail users of railroad history of this particular trail corridor; Artist Judy Bales
Cedar View Trail bridge. Completed pavers remind trail users of railroad history of this particular trail corridor; Artist Judy Bales
Cedar View Trail bridge. Completed pavers remind trail users of railroad history of this particular trail corridor; Artist Judy Bales
End of trestle section and beginning of fill section on Thompson Trail Project, a railtrail in Anacortes, Washington
End of trestle section and beginning of fill section on Thompson Trail Project, a railtrail in Anacortes, Washington
End of trestle section and beginning of fill section on Thompson Trail Project, a railtrail in Anacortes, Washington
Planked pathway crosses lakefront dunes; Duluth, Minnesota
Planked pathway crosses lakefront dunes; Duluth, Minnesota
Planked pathway crosses lakefront dunes; Duluth, Minnesota
Raised boardwalk trail is for pedestrians on Downtown Lakewalk, Duluth, Minnesota
Raised boardwalk trail is for pedestrians on Downtown Lakewalk, Duluth, Minnesota
Raised boardwalk trail is for pedestrians on Downtown Lakewalk, Duluth, Minnesota
Typical crusher fines surface showing very firm matrix with only a few loose larger rock particles.
Typical crusher fines surface showing very firm matrix with only a few loose larger rock particles.
Typical crusher fines surface showing very firm matrix with only a few loose larger rock particles.
Asphalt trail meets boardwalk. Both surfaces are level; Trail of the Sentinels National Recreation Trail, Washington
Asphalt trail meets boardwalk. Both surfaces are level; Trail of the Sentinels National Recreation Trail, Washington
Asphalt trail meets boardwalk. Both surfaces are level; Trail of the Sentinels National Recreation Trail, Washington
Where everything is flat, a 4% grade is noteworthy; Grand Forks Greenway National Recreation Trail, North Dakota
Where everything is flat, a 4% grade is noteworthy; Grand Forks Greenway National Recreation Trail, North Dakota
Where everything is flat, a 4% grade is noteworthy; Grand Forks Greenway National Recreation Trail, North Dakota
Wood boardwalk segment of the multi-use Ohio to Erie Trail
Wood boardwalk segment of the multi-use Ohio to Erie Trail
Wood boardwalk segment of the multi-use Ohio to Erie Trail
The paved trail is on the canal embankment while the unpaved tread is at the edge of the corridor; Highline Canal Trail, Greenwood Village, Colorado
The paved trail is on the canal embankment while the unpaved tread is at the edge of the corridor; Highline Canal Trail, Greenwood Village, Colorado
The paved trail is on the canal embankment while the unpaved tread is at the edge of the corridor; Highline Canal Trail, Greenwood Village, Colorado
Sign warns of rough surface and falling rocks; Shoal Creek Trail, Austin, Texas
Sign warns of rough surface and falling rocks; Shoal Creek Trail, Austin, Texas
Sign warns of rough surface and falling rocks; Shoal Creek Trail, Austin, Texas
At one end of the concrete bridge over Park Boulevard the trail doesn't quite meet grade, requiring an asphalt patch to avoid vertical obstruction; Balboa Park, San Diego, California
At one end of the concrete bridge over Park Boulevard the trail doesn't quite meet grade, requiring an asphalt patch to avoid vertical obstruction; Balboa Park, San Diego, California
At one end of the concrete bridge over Park Boulevard the trail doesn't quite meet grade, requiring an asphalt patch to avoid vertical obstruction; Balboa Park, San Diego, California
Woodpecker Loop National Recreation Trail in Finley National Wildlife Refuge, Oregon
Woodpecker Loop National Recreation Trail in Finley National Wildlife Refuge, Oregon
Woodpecker Loop National Recreation Trail in Finley National Wildlife Refuge, Oregon
The classic problem on dirt trails where the bridge itself is above the trail grade. Surfacing materials wear away leaving a step; Woodpecker Loop Trail in Finley National Wildlife Refuge, Oregon
The classic problem on dirt trails where the bridge itself is above the trail grade. Surfacing materials wear away leaving a step; Woodpecker Loop Trail in Finley National Wildlife Refuge, Oregon
The classic problem on dirt trails where the bridge itself is above the trail grade. Surfacing materials wear away leaving a step; Woodpecker Loop Trail in Finley National Wildlife Refuge, Oregon
Crusher fines trail on top of the Westerly Creek Dam, Denver.
Crusher fines trail on top of the Westerly Creek Dam, Denver.
Crusher fines trail on top of the Westerly Creek Dam, Denver.
A better crusher fines trail in the same Bluff Lake Nature Area, Denver
A better crusher fines trail in the same Bluff Lake Nature Area, Denver
A better crusher fines trail in the same Bluff Lake Nature Area, Denver
Slight separation between the adjoining treads, one concrete and the other natural surface often used by equestrians; Crown Hill Park trails in Wheat Ridge, Colorado
Slight separation between the adjoining treads, one concrete and the other natural surface often used by equestrians; Crown Hill Park trails in Wheat Ridge, Colorado
Slight separation between the adjoining treads, one concrete and the other natural surface often used by equestrians; Crown Hill Park trails in Wheat Ridge, Colorado
Concrete round piers support the joists in place; Greenbelt Wetland Boardwalk in Lakewood, Colorado
Concrete round piers support the joists in place; Greenbelt Wetland Boardwalk in Lakewood, Colorado
Concrete round piers support the joists in place; Greenbelt Wetland Boardwalk in Lakewood, Colorado
Crushed rock surface trail crossing paved road on Kal-Haven Trail in Michigan
Crushed rock surface trail crossing paved road on Kal-Haven Trail in Michigan
Crushed rock surface trail crossing paved road on Kal-Haven Trail in Michigan
Concrete trail makes a good connection to wood boardwalk; Finley National Wildlife Refuge, Oregon
Concrete trail makes a good connection to wood boardwalk; Finley National Wildlife Refuge, Oregon
Concrete trail makes a good connection to wood boardwalk; Finley National Wildlife Refuge, Oregon
Good example of an accessible trail bridge meeting the natural surface trail. Both bridges are actually below the trail grade and material does not wash away from the bridge; Barclay Farm National Recreation Trail, Cherry Hill Township, New Jersey
Good example of an accessible trail bridge meeting the natural surface trail. Both bridges are actually below the trail grade and material does not wash away from the bridge; Barclay Farm National Recreation Trail, Cherry Hill Township, New Jersey
Good example of an accessible trail bridge meeting the natural surface trail. Both bridges are actually below the trail grade and material does not wash away from the bridge; Barclay Farm National Recreation Trail, Cherry Hill Township, New Jersey
Planked walk laid on soil surface in Mill Creek Canyon; Salt Lake City, Utah
Planked walk laid on soil surface in Mill Creek Canyon; Salt Lake City, Utah
Planked walk laid on soil surface in Mill Creek Canyon; Salt Lake City, Utah
Two steps connect planked walk to crushed rock trail; Mill Creek Canyon, Salt Lake City, Utah
Two steps connect planked walk to crushed rock trail; Mill Creek Canyon, Salt Lake City, Utah
Two steps connect planked walk to crushed rock trail; Mill Creek Canyon, Salt Lake City, Utah
Looking east toward the oil refinery, on the Thompson Trail Project, a railtrail in Anacortes, Washington
Looking east toward the oil refinery, on the Thompson Trail Project, a railtrail in Anacortes, Washington
Looking east toward the oil refinery, on the Thompson Trail Project, a railtrail in Anacortes, Washington
Crusher fines trail lined with native rock; Lomaki Wupatki National Monument, AZ.
Crusher fines trail lined with native rock; Lomaki Wupatki National Monument, AZ.
Crusher fines trail lined with native rock; Lomaki Wupatki National Monument, AZ.
Patterned concrete marks the walking trail while the bike trail is asphalt; Pacific Beach, San Diego
Patterned concrete marks the walking trail while the bike trail is asphalt; Pacific Beach, San Diego
Patterned concrete marks the walking trail while the bike trail is asphalt; Pacific Beach, San Diego
Grass finding its way through wood planks; Mill Creek Canyon, Salt Lake City, Utah
Grass finding its way through wood planks; Mill Creek Canyon, Salt Lake City, Utah
Grass finding its way through wood planks; Mill Creek Canyon, Salt Lake City, Utah
A fine grained, dark crusher rock is the surface for the trail at Westerly Creek Dam; Denver, Colorado
A fine grained, dark crusher rock is the surface for the trail at Westerly Creek Dam; Denver, Colorado
A fine grained, dark crusher rock is the surface for the trail at Westerly Creek Dam; Denver, Colorado
The plank edging is supposed to keep the crusher fines in place; Big Dry Creek Nature Trail, Westminster, CO.
The plank edging is supposed to keep the crusher fines in place; Big Dry Creek Nature Trail, Westminster, CO.
The plank edging is supposed to keep the crusher fines in place; Big Dry Creek Nature Trail, Westminster, CO.
Water running down the slope gathers on the crusher fines trail because of insufficient cross slope of the trail.
Water running down the slope gathers on the crusher fines trail because of insufficient cross slope of the trail.
Water running down the slope gathers on the crusher fines trail because of insufficient cross slope of the trail.
Crushed rock trail adjacent to concrete greenway; Clear Creek National Recreation Trail, Wheat Ridge, Colorado
Crushed rock trail adjacent to concrete greenway; Clear Creek National Recreation Trail, Wheat Ridge, Colorado
Crushed rock trail adjacent to concrete greenway; Clear Creek National Recreation Trail, Wheat Ridge, Colorado
Sign along Shoal Creek Trail, Austin, Texas
Sign along Shoal Creek Trail, Austin, Texas
Sign along Shoal Creek Trail, Austin, Texas
Board surface adjacent to paved bikeway; Downtown Lakewalk in Duluth, Minnesota
Board surface adjacent to paved bikeway; Downtown Lakewalk in Duluth, Minnesota
Board surface adjacent to paved bikeway; Downtown Lakewalk in Duluth, Minnesota
Crusher fines trail climbing gentle slope in Elk Meadow Park, Jefferson County, CO
Crusher fines trail climbing gentle slope in Elk Meadow Park, Jefferson County, CO
Crusher fines trail climbing gentle slope in Elk Meadow Park, Jefferson County, CO
ATVs have their own road base tread along Tri-County Recreation Corridor; Superior, Wisconsin
ATVs have their own road base tread along Tri-County Recreation Corridor; Superior, Wisconsin
ATVs have their own road base tread along Tri-County Recreation Corridor; Superior, Wisconsin
Woodpecker Loop National Recreation Trail in Finley National Wildlife Refuge, Oregon
Woodpecker Loop National Recreation Trail in Finley National Wildlife Refuge, Oregon
Woodpecker Loop National Recreation Trail in Finley National Wildlife Refuge, Oregon
Detail of plastic decking material on Thompson Trail Project, a railtrail in Anacortes, Washington
Detail of plastic decking material on Thompson Trail Project, a railtrail in Anacortes, Washington
Detail of plastic decking material on Thompson Trail Project, a railtrail in Anacortes, Washington
A heavy timber extends along the bridge approach to retain the trail surfacing material (crushed stone); Easter Seals Handicamp, Empire, Colorado
A heavy timber extends along the bridge approach to retain the trail surfacing material (crushed stone); Easter Seals Handicamp, Empire, Colorado
A heavy timber extends along the bridge approach to retain the trail surfacing material (crushed stone); Easter Seals Handicamp, Empire, Colorado
Trail climbs at a low angle up the face of Westerly Creek Dam, Denver.
Trail climbs at a low angle up the face of Westerly Creek Dam, Denver.
Trail climbs at a low angle up the face of Westerly Creek Dam, Denver.
Crushed rock that is larger and looser than ideal in Bluff Lake Nature Area; Denver, Colorado
Crushed rock that is larger and looser than ideal in Bluff Lake Nature Area; Denver, Colorado
Crushed rock that is larger and looser than ideal in Bluff Lake Nature Area; Denver, Colorado
Stencils on separate paved bike and pedestrian lanes in Seattle's Alki neighborhood
Stencils on separate paved bike and pedestrian lanes in Seattle's Alki neighborhood
Stencils on separate paved bike and pedestrian lanes in Seattle's Alki neighborhood
Roller skaters warned of change in surface at bridge; community trail on Eastern Shore of Maryland
Roller skaters warned of change in surface at bridge; community trail on Eastern Shore of Maryland
Roller skaters warned of change in surface at bridge; community trail on Eastern Shore of Maryland
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Cedar View Trail bridge. The tree forms on the bridge lead into more elaborate designs at the wings of the bridge. Artist Judy Bales
Cedar View Trail bridge. The tree forms on the bridge lead into more elaborate designs at the wings of the bridge. Artist Judy Bales
Cedar View Trail bridge. The tree forms on the bridge lead into more elaborate designs at the wings of the bridge. Artist Judy Bales
Transition from steel deck to trail. Wood chips tend to compact leaving a joint no matter how often they are topped up; Arboretum Waterfront Trail, Seattle, Washington
Transition from steel deck to trail. Wood chips tend to compact leaving a joint no matter how often they are topped up; Arboretum Waterfront Trail, Seattle, Washington
Transition from steel deck to trail. Wood chips tend to compact leaving a joint no matter how often they are topped up; Arboretum Waterfront Trail, Seattle, Washington
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Signs and railroad crossing lights guard trail crossing of Hiawatha light rail corridor; Minneapolis, Minnesota
Signs and railroad crossing lights guard trail crossing of Hiawatha light rail corridor; Minneapolis, Minnesota
Signs and railroad crossing lights guard trail crossing of Hiawatha light rail corridor; Minneapolis, Minnesota
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Skinner Butte Trail; Eugene, Oregon
Water running down the slope gathers on the crusher fines trail due to the insufficient cross slope of the trail; Adams County Park, Colorado
Water running down the slope gathers on the crusher fines trail due to the insufficient cross slope of the trail; Adams County Park, Colorado
Water running down the slope gathers on the crusher fines trail due to the insufficient cross slope of the trail; Adams County Park, Colorado
Sign alerts users that flat trail along river climbs hill; Sacramento River Trail, Redding, California
Sign alerts users that flat trail along river climbs hill; Sacramento River Trail, Redding, California
Sign alerts users that flat trail along river climbs hill; Sacramento River Trail, Redding, California
Informal hiking and running tread next to concrete Cherry Creek Trail; Denver, Colorado
Informal hiking and running tread next to concrete Cherry Creek Trail; Denver, Colorado
Informal hiking and running tread next to concrete Cherry Creek Trail; Denver, Colorado
